diff options
| -rw-r--r-- | sys/kern/tty.c | 12 |
1 files changed, 7 insertions, 5 deletions
diff --git a/sys/kern/tty.c b/sys/kern/tty.c index e051c66ab0c9..61a6beafa2c0 100644 --- a/sys/kern/tty.c +++ b/sys/kern/tty.c @@ -253,9 +253,6 @@ ttydev_leave(struct tty *tp) ttyoutq_free(&tp->t_outq); tp->t_outlow = 0; - knlist_clear(&tp->t_inpoll.si_note, 1); - knlist_clear(&tp->t_outpoll.si_note, 1); - if (!tty_gone(tp)) ttydevsw_close(tp); @@ -369,7 +366,7 @@ done: tp->t_flags &= ~TF_OPENCLOSE; static int ttydev_close(struct cdev *dev, int fflag, int devtype __unused, - struct thread *td __unused) + struct thread *td) { struct tty *tp = dev->si_drv1; @@ -392,8 +389,11 @@ ttydev_close(struct cdev *dev, int fflag, int devtype __unused, } /* If revoking, flush output now to avoid draining it later. */ - if (fflag & FREVOKE) + if ((fflag & FREVOKE) != 0) { tty_flush(tp, FWRITE); + knlist_delete(&tp->t_inpoll.si_note, td, 1); + knlist_delete(&tp->t_outpoll.si_note, td, 1); + } tp->t_flags &= ~TF_EXCLUDE; @@ -1120,6 +1120,8 @@ tty_dealloc(void *arg) ttyoutq_free(&tp->t_outq); seldrain(&tp->t_inpoll); seldrain(&tp->t_outpoll); + knlist_clear(&tp->t_inpoll.si_note, 0); + knlist_clear(&tp->t_outpoll.si_note, 0); knlist_destroy(&tp->t_inpoll.si_note); knlist_destroy(&tp->t_outpoll.si_note); |